PRODUCTS CENTER
Serbia Acoustic test system of intelligent terminal
Category:
Product Description
First, intelligent terminals are mainly divided into main control board, power amplifier board, MIC board and other auxiliary function boards
1. The main control board usually supports WIFI, Bluetooth and other working modes to parse the voice commands of MIC
2. The power amplifier board realizes the voice playback of smart speakers
3. MIC board realizes voice command recording, usually 6~8 microphones record at the same time
4. Other auxiliary function boards such as buttons, LEDs and so on
Second, MIC board test items
serial number | Test project name | Lower and upper limits | unit | ||
lower limit | Normal value | upper limit | |||
1 | MIC sensitivity |
|
|
|
|
2 | MIC signal-to-noise ratio |
|
|
|
|
3 | MIC distortion |
|
|
|
|
4 | MIC frequency response |
|
|
|
|
5 | Sound leakage test |
|
|
|
|
3. Finished product test items
serial number | Test project name | Lower and upper limits | unit | ||
lower limit | Normal value | upper limit | |||
1 | MIC frequency response |
|
|
|
|
2 | MIC sensitivity |
|
|
|
|
3 | MIC distortion |
|
|
|
|
4 | SPK frequency response |
|
|
|
|
5 | SPK distortion |
|
|
|
|
Follow us
Hotline
Add:101-102, building 2, No. 1310, Guanguang Road, Kukeng community, Guanlan street, Longhua District, Shenzhen,China
Tel：+86-755-83680078
Email：sales@szaptk.com
Online consultation
Copyright © 2023 Shenzhen Abtec Electronics Co.,Ltd All rights reserved.